Support of unicode in then recipient names

[Александр Егоров]

Hi Dovecot Community,

We are using ltmp to deliver messages through postfix to dovecot. During
testing we have found that dovecot does not understand recipient email
address if it is composed from national symbols : e.g.
???????@???????.???????
Question is are there any plans to either add native support for such email
addresses or to translate it to punycode and then try to find such a
recipient?